Home / 116,970.19-161,418.87-63,255.22

Finding the Fourth Proportional to 116,970.19, 161,418.87 and 63,255.22

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Solution

The fourth proportional to 116,970.19, 161,418.87 and 63,255.22 is: 87,292.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,970.19 : 161,418.87 = 63,255.22 : x
  2. Step 2: Convert to fraction form
    116,970.19/161,418.87 = 63,255.22/x
  3. Step 3: Cross multiply
    116,970.19x = 161,418.87 × 63,255.22
  4. Step 4: Simplify right side
    116,970.19x = 10,210,585,730.45
  5. Step 5: Solve for x
    x = 10,210,585,730.45/116,970.19
  6. Step 6: Final answer
    x = 87,292.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.